Name	Known for
Eve Myles Faith Howells Faith Howells See fewer	Torchwood (2006)
Hannah Daniel Cerys Jones Cerys Jones See fewer	Hinterland (2013)
Aneirin Hughes Tom Howells Tom Howells See fewer	Cameleon (1997)
Bradley Freegard Evan Howells Evan Howells See fewer	Vikings: Valhalla (2022)
Eiry Thomas DS Susan Williams DS Susan Williams See fewer	The Bench (2001)
Rhashan Stone DI Laurence Breeze DI Laurence Breeze See fewer	Hollington Drive (2021)
Lacey Jones Megan Howells Megan Howells See fewer	Keeping Faith (2017)
Celia Imrie Rose Fairchild Rose Fairchild See fewer	The Best Exotic Marigold Hotel (2011)
Rhian Morgan Marion Howells Marion Howells See fewer	Apostle (2018)
Demi Letherby Alys Howells Alys Howells See fewer	Keeping Faith (2017)
Martha Bright Angie Baldini Angie Baldini See fewer	Keeping Faith (2017)
Matthew Aubrey Mike Taylor Mike Taylor See fewer	Made in Dagenham (2010)
Keogh Kiernan Osian Osian See fewer	Cyswllt (Lifelines) (2020)
Catherine Ayers Lisa Connors Lisa Connors See fewer	Keeping Faith (2017)
Oscar Unsworth Rhodri Howells Rhodri Howells See fewer	Keeping Faith (2017)
Harry Unsworth Rhodri Howells Rhodri Howells See fewer	Keeping Faith (2017)
Siân Phillips Judge Owens Judge Owens See fewer	Dune (1984)
Sean Fletcher Sean Jenkins QC Sean Jenkins QC See fewer	Keeping Faith (2017)
Maria Pride Julie Penry Julie Penry See fewer	Care (2000)
Mark Lewis Jones Steve Baldini Steve Baldini See fewer	Gangs of London (2020)
Alex Harries Arthur Davies Arthur Davies See fewer	Torchwood (2006)
Suzanne Packer Delyth Lloyd Delyth Lloyd See fewer	Casualty (1986)